User Guide

3
PRELIMINARY EXAMINATION
Remove the instrument from the packing ma-
terial and examine it to make sure that no
damage has occurred during shipping. If there
is any damage, notify your Dealer.
Each meter is supplied with:
• DO Meter
• DO Probe (HI 76401)
• Membrane cap (2 pcs)
• O-ring (2 pcs)
• Protective cap
• 30 mL electrolyte solution (HI 7041S)
• Screwdriver for calibration purposes
• 1 x 9V battery
• Instruction manual
Note: Save all packing material until you are
sure that the instrument functions
correctly. All defective items must be
returned in the original packaging with
the supplied accessories.
GENERAL DESCRIPTION
HI 8043 is a portable meter for Dissolved
Oxygen measurements.
It is housed in a lightweight case, with an
easy-to-read LCD.
Dissolved oxygen and temperature measure-
ments can be performed in the field (waste-
water treatment, fish-farming, water analysis,
etc.) as well as in the laboratory without
compromising accuracy.
Dissolved oxygen is indicated in mg/l (ppm)
and this value is compensated for the tem-
perature effect (ATC).
The dissolved oxygen probe has a membrane
covering the polarographic sensors and a built-
in thermistor for temperature measurements
and compensation. The thin permeable mem-